Focus The Fixture; Set The Z-Adjustment; Adjust The Yoke Position - ETC Source 4WRD Color Installation And User Manual

Focus the Fixture

Set the Z-adjustment

Use the Z-adjustment knob located on the rear of the fixture to adjust the
field of the LED light for specific applications.
1. Turn on the fixture and aim it at a flat surface.
2. Slide the fixture barrel toward or away from the Source 4WRD
Color to create a hard-edged beam of light.
3. Turn the knob toward PEAK or FLAT until you achieve the desired
field.
Z-adjustment knob
Note:
optimized for PEAK focus. When using the Source 4WRD Color in a
Source 4WRD PAR or PARNel Fixture Body, turn the Z-adjustment
knob toward PEAK until the knob becomes loose, and then tighten
the Z-adjustment knob an additional quarter turn. This sets the
LED light source into the appropriate position within the fixture.

Adjust the Yoke Position

Change the Height Position
1. Remove the yoke locking knobs,
washers, and hex bolts from either side
of the fixture.
2. Raise or lower the fixture to the desired
position within the yoke.
3. Reinstall the yoke's hex bolts, washers,
and locking knobs.
4. Tighten the yoke knobs to secure the
yoke in position.
Source 4WRD Color Installation and User Manual
The Source 4WRD PAR or PARNel Fixture Body optics are
Ideal beam of
uniform light
Adjust toward PEAK to
blend overlapped beams
Adjust toward FLAT to
improve sharp focus
General use
position
Low clearance
position
15